fix: tools: Fix doimage syntax breaking secure mode build
fix: tools: Fix doimage syntax breaking secure mode build

Missing ")" in fprintf causing build break in secure boot mode.

Change-Id: Ice555571683b68bb0d81479e9fc8abc4296809ac
Signed-off-by: Konstantin Porotchkin <4c7b7a89ae2c24f675bc0a94dfa7c7466687a3de@marvell.com>

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware